On Friday 27 February, Big Think partner PwC hosted its second global webcast focused on the question, ‘What would you do if you were not afraid?’ The webcast was part of ‘Aspire to Lead: The PwC Women’s...

The World Health Organization's call to action is to promote health throughout life in order to achieve good health in old age. Joel Cohen, math biologist and Big Think expert, couldn't agree more. An uninformed aging population has health and economical consequences.

"If we educate people well in youth, we can cut down the old age health care costs and disability and we have a more productive labor force," said Cohen.

Watch Joel Cohen talk about the world's aging population:

What are you doing for yourself to promote good lifelong health? Tell us in the comments section below.